/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Sequence flow order controller
 */

angular.module('activitiModeler').controller('KisBpmSequenceFlowOrderCtrl',
    ['$scope', '$modal', '$timeout', '$translate', function ($scope, $modal, $timeout, $translate) {

        // Config for the modal window
        var opts = {
            template: 'editor-app/configuration/properties/sequenceflow-order-popup.html?version=' + Date.now(),
            scope: $scope
        };

        _internalCreateModal(opts, $modal, $scope);
    }]);

angular.module('activitiModeler').controller('KisBpmSequenceFlowOrderPopupCtrl',
    ['$scope', '$translate', function ($scope, $translate) {

        // Find the outgoing sequence flow of the current selected shape
        var outgoingSequenceFlow = [];
        var selectedShape = $scope.selectedShape;
        if (selectedShape) {
            var outgoingNodes = selectedShape.getOutgoingShapes();
            for (var i = 0; i < outgoingNodes.length; i++) {
                if (outgoingNodes[i].getStencil().idWithoutNs() === 'SequenceFlow') {
                    var targetActivity = outgoingNodes[i].getTarget();
                    // We need the resourceId of a sequence flow, not the id because that will change with every editor load
                    outgoingSequenceFlow.push({
                        id: outgoingNodes[i].resourceId,
                        targetTitle: targetActivity.properties['oryx-name'],
                        targetType: $translate.instant(targetActivity.getStencil().title())
                    });
                }
            }
        } else {
            console.log('Programmatic error: no selected shape found');
        }

        // Now we can apply the order which was (possibly) previously saved
        var orderedOutgoingSequenceFlow = [];
        if ($scope.property.value && $scope.property.value.sequenceFlowOrder) {

            var sequenceFlowOrderList = $scope.property.value.sequenceFlowOrder;

            // Loop the list of sequence flow that was saved  in the json model and match them with the outgoing sequence flow found above
            for (var flowIndex = 0; flowIndex < sequenceFlowOrderList.length; flowIndex++) {

                // find the sequence flow in the outgoing sequence flows.

                for (var outgoingFlowIndex = 0; outgoingFlowIndex < outgoingSequenceFlow.length; outgoingFlowIndex++) {
                    if (outgoingSequenceFlow[outgoingFlowIndex].id === sequenceFlowOrderList[flowIndex]) {
                        orderedOutgoingSequenceFlow.push(outgoingSequenceFlow[outgoingFlowIndex]);
                        outgoingSequenceFlow.splice(outgoingFlowIndex, 1);
                        break;
                    }
                }
            }

            // Now all the matching sequence flow we're removed from the outgoing sequence flow list
            // We can simply apply the remaining ones (these are new vs. the time when the values were saved to the model)
            orderedOutgoingSequenceFlow = orderedOutgoingSequenceFlow.concat(outgoingSequenceFlow);

        } else {
            orderedOutgoingSequenceFlow = outgoingSequenceFlow;
        }

        // Now we can put it on the scope
        $scope.outgoingSequenceFlow = orderedOutgoingSequenceFlow;

        // Move up click handler
        $scope.moveUp = function (index) {
            var temp = $scope.outgoingSequenceFlow[index];
            $scope.outgoingSequenceFlow[index] = $scope.outgoingSequenceFlow[index - 1];
            $scope.outgoingSequenceFlow[index - 1] = temp;
        };

        // Move down click handler
        $scope.moveDown = function (index) {
            var temp = $scope.outgoingSequenceFlow[index];
            $scope.outgoingSequenceFlow[index] = $scope.outgoingSequenceFlow[index + 1];
            $scope.outgoingSequenceFlow[index + 1] = temp;
        };

        // Save click handler
        $scope.save = function () {
            if ($scope.outgoingSequenceFlow.length > 0) {
                $scope.property.value = {};
                $scope.property.value.sequenceFlowOrder = [];

                for (var flowIndex = 0; flowIndex < $scope.outgoingSequenceFlow.length; flowIndex++) {
                    $scope.property.value.sequenceFlowOrder.push($scope.outgoingSequenceFlow[flowIndex].id);
                }
            } else {
                $scope.property.value = null;
            }

            $scope.updatePropertyInModel($scope.property);
            $scope.close();
        };

        // Cancel click handler
        $scope.cancel = function () {
            $scope.close();
        };

        // Close button handler
        $scope.close = function () {
            $scope.property.mode = 'read';
            $scope.$hide();
        };

    }]);